| Part Number | SI3474B-A01-IMR | SI3472B-A01-IMR | 
|---|---|---|
| Manufacturer | Skyworks Solutions Inc. | Skyworks Solutions Inc. | 
| Category | PMIC - Power Over Ethernet (PoE) Controllers | PMIC - Power Over Ethernet (PoE) Controllers | 
|   |   | |
| Product Status | Active | Active | 
| Type | Controller (PSE) | Controller (PSE) | 
| Number of Channels | 8 | 4 | 
| Power - Max | 90 W | 30 W | 
| Internal Switch(s) | - | Both | 
| Auxiliary Sense | - | No | 
| Standards | 802.3at (PoE), 802.3bt | 802.3at (PoE+), 802.3af (PoE), 802.3bt | 
| Voltage - Supply | - | 3V ~ 3.6V | 
| Current - Supply | - | 17mA | 
| Operating Temperature | - | -40°C ~ 85°C (TA) | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 56-VFQFN Exposed Pad | 38-VFQFN Exposed Pad | 
| Supplier Device Package | 56-QFN (8x8) | 38-QFN (5x7) |